/* Parse the comma-separated list into TLS format. */
static void parse_protos(const char *protos, unsigned char **out, size_t *outlen)
{
size_t len, i, prefix;
len = strlen(protos);
/* Should never have reuse. */
TEST_check(*out == NULL);
/* Test values are small, so we omit length limit checks. */
*out = OPENSSL_malloc(len + 1);
TEST_check(*out != NULL);
*outlen = len + 1;
/*
* foo => '3', 'f', 'o', 'o'
* foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r'
*/
memcpy(*out + 1, protos, len);
prefix = 0;
i = prefix + 1;
while (i <= len) {
if ((*out)[i] == ',') {
TEST_check(i - 1 - prefix > 0);
(*out)[prefix] = i - 1 - prefix;
prefix = i;
}
i++;
}
TEST_check(len - prefix > 0);
(*out)[prefix] = len - prefix;
}
/*-
* Send/receive some application data. The read-write sequence is
* Peer A: (R) W - first read will yield no data
* Peer B: R W
* ...
* Peer A: R W
* Peer B: R W
* Peer A: R
*/
static void do_app_data_step(PEER *peer)
{
int ret = 1, write_bytes;
TEST_check(peer->status == PEER_RETRY);
/* We read everything available... */
while (ret > 0 && peer->bytes_to_read) {
ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len);
if (ret > 0) {
TEST_check(ret <= peer->bytes_to_read);
peer->bytes_to_read -= ret;
} else if (ret == 0) {
peer->status = PEER_ERROR;
return;
} else {
int error = SSL_get_error(peer->ssl, ret);
if (error != SSL_ERROR_WANT_READ) {
peer->status = PEER_ERROR;
return;
} /* Else continue with write. */
}
}
/* ... but we only write one write-buffer-full of data. */
write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write :
peer->write_buf_len;
if (write_bytes) {
ret = SSL_write(peer->ssl, peer->write_buf, write_bytes);
if (ret > 0) {
/* SSL_write will only succeed with a complete write. */
TEST_check(ret == write_bytes);
peer->bytes_to_write -= ret;
} else {
/*
* We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
* but this doesn't yet occur with current app data sizes.
*/
peer->status = PEER_ERROR;
return;
}
}
/*
* We could simply finish when there was nothing to read, and we have
* nothing left to write. But keeping track of the expected number of bytes
* to read gives us somewhat better guarantees that all data sent is in fact
* received.
*/
if (!peer->bytes_to_write && !peer->bytes_to_read) {
peer->status = PEER_SUCCESS;
}
}
static void create_peer(PEER *peer, SSL_CTX *ctx)
{
static const int peer_buffer_size = 64 * 1024;
peer->ssl = SSL_new(ctx);
TEST_check(peer->ssl != NULL);
peer->write_buf = OPENSSL_zalloc(peer_buffer_size);
TEST_check(peer->write_buf != NULL);
peer->read_buf = OPENSSL_zalloc(peer_buffer_size);
TEST_check(peer->read_buf != NULL);
peer->write_buf_len = peer->read_buf_len = peer_buffer_size;
}
/* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
static char *dup_str(const unsigned char *in, size_t len)
{
char *ret;
if(len == 0)
return NULL;
/* Assert that the string does not contain NUL-bytes. */
TEST_check(OPENSSL_strnlen((const char*)(in), len) == len);
ret = OPENSSL_strndup((const char*)(in), len);
TEST_check(ret != NULL);
return ret;
}
HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx,
SSL_CTX *resume_client_ctx,
const SSL_TEST_CTX *test_ctx)
{
HANDSHAKE_RESULT *result;
SSL_SESSION *session = NULL;
result = do_handshake_internal(server_ctx, server2_ctx, client_ctx,
test_ctx, &test_ctx->extra,
NULL, &session);
if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_SIMPLE)
goto end;
TEST_check(test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME);
if (result->result != SSL_TEST_SUCCESS) {
result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED;
goto end;
}
HANDSHAKE_RESULT_free(result);
/* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx,
test_ctx, &test_ctx->resume_extra,
session, NULL);
end:
SSL_SESSION_free(session);
return result;
}
static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer,
connect_phase_t phase)
{
switch (phase) {
case HANDSHAKE:
do_handshake_step(peer);
break;
case RENEG_APPLICATION_DATA:
do_app_data_step(peer);
break;
case RENEG_SETUP:
do_reneg_setup_step(test_ctx, peer);
break;
case RENEG_HANDSHAKE:
do_handshake_step(peer);
break;
case APPLICATION_DATA:
do_app_data_step(peer);
break;
case SHUTDOWN:
do_shutdown_step(peer);
break;
case CONNECTION_DONE:
TEST_check(0);
break;
}
}
static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx,
connect_phase_t phase)
{
switch (phase) {
case HANDSHAKE:
if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
|| test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT)
return RENEG_APPLICATION_DATA;
return APPLICATION_DATA;
case RENEG_APPLICATION_DATA:
return RENEG_SETUP;
case RENEG_SETUP:
return RENEG_HANDSHAKE;
case RENEG_HANDSHAKE:
return APPLICATION_DATA;
case APPLICATION_DATA:
return SHUTDOWN;
case SHUTDOWN:
return CONNECTION_DONE;
case CONNECTION_DONE:
TEST_check(0);
break;
}
return -1;
}
static int parse_server_options(SSL_TEST_SERVER_CONF *server, const CONF *conf,
const char *server_section)
{
STACK_OF(CONF_VALUE) *sk_conf;
int i;
size_t j;
sk_conf = NCONF_get_section(conf, server_section);
TEST_check(sk_conf != NULL);
for (i = 0; i < sk_CONF_VALUE_num(sk_conf); i++) {
int found = 0;
const CONF_VALUE *option = sk_CONF_VALUE_value(sk_conf, i);
for (j = 0; j < OSSL_NELEM(ssl_test_server_options); j++) {
if (strcmp(option->name, ssl_test_server_options[j].name) == 0) {
if (!ssl_test_server_options[j].parse(server, option->value)) {
fprintf(stderr, "Bad value %s for option %s\n",
option->value, option->name);
return 0;
}
found = 1;
break;
}
}
if (!found) {
fprintf(stderr, "Unknown test option: %s\n", option->name);
return 0;
}
}
return 1;
}
static SSL_TEST_CTX_TEST_FIXTURE set_up(const char *const test_case_name)
{
SSL_TEST_CTX_TEST_FIXTURE fixture;
fixture.test_case_name = test_case_name;
fixture.expected_ctx = SSL_TEST_CTX_new();
TEST_check(fixture.expected_ctx != NULL);
return fixture;
}
/*
* Since these methods are used to create tests, we use TEST_check liberally
* for malloc failures and other internal errors.
*/
SSL_TEST_CTX *SSL_TEST_CTX_new()
{
SSL_TEST_CTX *ret;
ret = OPENSSL_zalloc(sizeof(*ret));
TEST_check(ret != NULL);
ret->app_data_size = default_app_data_size;
return ret;
}
static connect_phase_t next_phase(connect_phase_t phase)
{
switch (phase) {
case HANDSHAKE:
return APPLICATION_DATA;
case APPLICATION_DATA:
return SHUTDOWN;
case SHUTDOWN:
return CONNECTION_DONE;
default:
TEST_check(0); /* Should never call next_phase when done. */
}
}
int test_main(int argc, char **argv)
{
int result = 0;
long num_tests;
if (argc != 2)
return 1;
conf = NCONF_new(NULL);
TEST_check(conf != NULL);
/* argv[1] should point to the test conf file */
TEST_check(NCONF_load(conf, argv[1], NULL) > 0);
TEST_check(NCONF_get_number_e(conf, NULL, "num_tests", &num_tests));
ADD_ALL_TESTS(test_handshake, (int)(num_tests));
result = run_tests(argv[0]);
NCONF_free(conf);
return result;
}
static int test_good_configuration()
{
SETUP_SSL_TEST_CTX_TEST_FIXTURE();
fixture.test_section = "ssltest_good";
fixture.expected_ctx->method = SSL_TEST_METHOD_DTLS;
fixture.expected_ctx->handshake_mode = SSL_TEST_HANDSHAKE_RESUME;
fixture.expected_ctx->app_data_size = 1024;
fixture.expected_ctx->max_fragment_size = 2048;
fixture.expected_ctx->expected_result = SSL_TEST_SERVER_FAIL;
fixture.expected_ctx->expected_client_alert = SSL_AD_UNKNOWN_CA;
fixture.expected_ctx->expected_server_alert = 0; /* No alert. */
fixture.expected_ctx->expected_protocol = TLS1_1_VERSION;
fixture.expected_ctx->expected_servername = SSL_TEST_SERVERNAME_SERVER2;
fixture.expected_ctx->session_ticket_expected = SSL_TEST_SESSION_TICKET_YES;
fixture.expected_ctx->compression_expected = SSL_TEST_COMPRESSION_NO;
fixture.expected_ctx->resumption_expected = 1;
fixture.expected_ctx->extra.client.verify_callback =
SSL_TEST_VERIFY_REJECT_ALL;
fixture.expected_ctx->extra.client.servername = SSL_TEST_SERVERNAME_SERVER2;
fixture.expected_ctx->extra.client.npn_protocols =
OPENSSL_strdup("foo,bar");
TEST_check(fixture.expected_ctx->extra.client.npn_protocols != NULL);
fixture.expected_ctx->extra.server.servername_callback =
SSL_TEST_SERVERNAME_IGNORE_MISMATCH;
fixture.expected_ctx->extra.server.broken_session_ticket = 1;
fixture.expected_ctx->resume_extra.server2.alpn_protocols =
OPENSSL_strdup("baz");
TEST_check(
fixture.expected_ctx->resume_extra.server2.alpn_protocols != NULL);
fixture.expected_ctx->resume_extra.client.ct_validation =
SSL_TEST_CT_VALIDATION_STRICT;
EXECUTE_SSL_TEST_CTX_TEST();
}
/*
* The client SHOULD select the first protocol advertised by the server that it
* also supports. In the event that the client doesn't support any of server's
* protocols, or the server doesn't advertise any, it SHOULD select the first
* protocol that it supports.
*/
static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen,
const unsigned char *in, unsigned int inlen,
void *arg)
{
CTX_DATA *ctx_data = (CTX_DATA*)(arg);
int ret;
ret = SSL_select_next_proto(out, outlen, in, inlen,
ctx_data->npn_protocols,
ctx_data->npn_protocols_len);
/* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
TEST_check(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP);
return SSL_TLSEXT_ERR_OK;
}
int test_main(int argc, char **argv)
{
int result = 0;
if (argc != 2)
return 1;
conf = NCONF_new(NULL);
TEST_check(conf != NULL);
/* argv[1] should point to test/ssl_test_ctx_test.conf */
TEST_check(NCONF_load(conf, argv[1], NULL) > 0);
ADD_TEST(test_empty_configuration);
ADD_TEST(test_good_configuration);
ADD_ALL_TESTS(test_bad_configuration, OSSL_NELEM(bad_configurations));
result = run_tests(argv[0]);
NCONF_free(conf);
return result;
}
static void do_connect_step(PEER *peer, connect_phase_t phase)
{
switch (phase) {
case HANDSHAKE:
do_handshake_step(peer);
break;
case APPLICATION_DATA:
do_app_data_step(peer);
break;
case SHUTDOWN:
do_shutdown_step(peer);
break;
default:
TEST_check(0);
}
}
/*
* RFC 5246 says:
*
* Note that as of TLS 1.1,
* failure to properly close a connection no longer requires that a
* session not be resumed. This is a change from TLS 1.0 to conform
* with widespread implementation practice.
*
* However,
* (a) OpenSSL requires that a connection be shutdown for all protocol versions.
* (b) We test lower versions, too.
* So we just implement shutdown. We do a full bidirectional shutdown so that we
* can compare sent and received close_notify alerts and get some test coverage
* for SSL_shutdown as a bonus.
*/
static void do_shutdown_step(PEER *peer)
{
int ret;
TEST_check(peer->status == PEER_RETRY);
ret = SSL_shutdown(peer->ssl);
if (ret == 1) {
peer->status = PEER_SUCCESS;
} else if (ret < 0) { /* On 0, we retry. */
int error = SSL_get_error(peer->ssl, ret);
/* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
if (error != SSL_ERROR_WANT_READ)
peer->status = PEER_ERROR;
}
}
/*
* Note that we could do the handshake transparently under an SSL_write,
* but separating the steps is more helpful for debugging test failures.
*/
static void do_handshake_step(PEER *peer)
{
int ret;
TEST_check(peer->status == PEER_RETRY);
ret = SSL_do_handshake(peer->ssl);
if (ret == 1) {
peer->status = PEER_SUCCESS;
} else if (ret == 0) {
peer->status = PEER_ERROR;
} else {
int error = SSL_get_error(peer->ssl, ret);
/* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
if (error != SSL_ERROR_WANT_READ)
peer->status = PEER_ERROR;
}
}
static int test_handshake(int idx)
{
int ret = 0;
SSL_CTX *server_ctx = NULL, *server2_ctx = NULL, *client_ctx = NULL,
*resume_server_ctx = NULL, *resume_client_ctx = NULL;
SSL_TEST_CTX *test_ctx = NULL;
HANDSHAKE_RESULT *result = NULL;
char test_app[MAX_TESTCASE_NAME_LENGTH];
BIO_snprintf(test_app, sizeof(test_app), "test-%d", idx);
test_ctx = SSL_TEST_CTX_create(conf, test_app);
if (test_ctx == NULL)
goto err;
#ifndef OPENSSL_NO_DTLS
if (test_ctx->method == SSL_TEST_METHOD_DTLS) {
server_ctx = SSL_CTX_new(DTLS_server_method());
if (test_ctx->extra.server.servername_callback !=
SSL_TEST_SERVERNAME_CB_NONE) {
server2_ctx = SSL_CTX_new(DTLS_server_method());
TEST_check(server2_ctx != NULL);
}
client_ctx = SSL_CTX_new(DTLS_client_method());
if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) {
resume_server_ctx = SSL_CTX_new(DTLS_server_method());
resume_client_ctx = SSL_CTX_new(DTLS_client_method());
TEST_check(resume_server_ctx != NULL);
TEST_check(resume_client_ctx != NULL);
}
}
#endif
if (test_ctx->method == SSL_TEST_METHOD_TLS) {
server_ctx = SSL_CTX_new(TLS_server_method());
/* SNI on resumption isn't supported/tested yet. */
if (test_ctx->extra.server.servername_callback !=
SSL_TEST_SERVERNAME_CB_NONE) {
server2_ctx = SSL_CTX_new(TLS_server_method());
TEST_check(server2_ctx != NULL);
}
client_ctx = SSL_CTX_new(TLS_client_method());
if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) {
resume_server_ctx = SSL_CTX_new(TLS_server_method());
resume_client_ctx = SSL_CTX_new(TLS_client_method());
TEST_check(resume_server_ctx != NULL);
TEST_check(resume_client_ctx != NULL);
}
}
TEST_check(server_ctx != NULL);
TEST_check(client_ctx != NULL);
TEST_check(CONF_modules_load(conf, test_app, 0) > 0);
if (!SSL_CTX_config(server_ctx, "server")
|| !SSL_CTX_config(client_ctx, "client")) {
goto err;
}
if (server2_ctx != NULL && !SSL_CTX_config(server2_ctx, "server2"))
goto err;
if (resume_server_ctx != NULL
&& !SSL_CTX_config(resume_server_ctx, "resume-server"))
goto err;
if (resume_client_ctx != NULL
&& !SSL_CTX_config(resume_client_ctx, "resume-client"))
goto err;
result = do_handshake(server_ctx, server2_ctx, client_ctx,
resume_server_ctx, resume_client_ctx, test_ctx);
ret = check_test(result, test_ctx);
err:
CONF_modules_unload(0);
SSL_CTX_free(server_ctx);
SSL_CTX_free(server2_ctx);
SSL_CTX_free(client_ctx);
SSL_CTX_free(resume_server_ctx);
SSL_CTX_free(resume_client_ctx);
SSL_TEST_CTX_free(test_ctx);
HANDSHAKE_RESULT_free(result);
return ret;
}
SSL_TEST_CTX *SSL_TEST_CTX_create(const CONF *conf, const char *test_section)
{
STACK_OF(CONF_VALUE) *sk_conf;
SSL_TEST_CTX *ctx;
int i;
size_t j;
sk_conf = NCONF_get_section(conf, test_section);
TEST_check(sk_conf != NULL);
ctx = SSL_TEST_CTX_new();
TEST_check(ctx != NULL);
for (i = 0; i < sk_CONF_VALUE_num(sk_conf); i++) {
int found = 0;
const CONF_VALUE *option = sk_CONF_VALUE_value(sk_conf, i);
/* Subsections */
if (strcmp(option->name, "client") == 0) {
if (!parse_client_options(&ctx->extra.client, conf,
option->value))
goto err;
} else if (strcmp(option->name, "server") == 0) {
if (!parse_server_options(&ctx->extra.server, conf,
option->value))
goto err;
} else if (strcmp(option->name, "server2") == 0) {
if (!parse_server_options(&ctx->extra.server2, conf,
option->value))
goto err;
} else if (strcmp(option->name, "resume-client") == 0) {
if (!parse_client_options(&ctx->resume_extra.client, conf,
option->value))
goto err;
} else if (strcmp(option->name, "resume-server") == 0) {
if (!parse_server_options(&ctx->resume_extra.server, conf,
option->value))
goto err;
} else if (strcmp(option->name, "resume-server2") == 0) {
if (!parse_server_options(&ctx->resume_extra.server2, conf,
option->value))
goto err;
} else {
for (j = 0; j < OSSL_NELEM(ssl_test_ctx_options); j++) {
if (strcmp(option->name, ssl_test_ctx_options[j].name) == 0) {
if (!ssl_test_ctx_options[j].parse(ctx, option->value)) {
fprintf(stderr, "Bad value %s for option %s\n",
option->value, option->name);
goto err;
}
found = 1;
break;
}
}
if (!found) {
fprintf(stderr, "Unknown test option: %s\n", option->name);
goto err;
}
}
}
goto done;
err:
SSL_TEST_CTX_free(ctx);
ctx = NULL;
done:
return ctx;
}
static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer)
{
int ret;
char buf;
TEST_check(peer->status == PEER_RETRY);
TEST_check(test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
|| test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT);
/* Check if we are the peer that is going to initiate */
if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
&& SSL_is_server(peer->ssl))
|| (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT
&& !SSL_is_server(peer->ssl))) {
/*
* If we already asked for a renegotiation then fall through to the
* SSL_read() below.
*/
if (!SSL_renegotiate_pending(peer->ssl)) {
/*
* If we are the client we will always attempt to resume the
* session. The server may or may not resume dependant on the
* setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
*/
if (SSL_is_server(peer->ssl))
ret = SSL_renegotiate(peer->ssl);
else
ret = SSL_renegotiate_abbreviated(peer->ssl);
if (!ret) {
peer->status = PEER_ERROR;
return;
}
do_handshake_step(peer);
/*
* If status is PEER_RETRY it means we're waiting on the peer to
* continue the handshake. As far as setting up the renegotiation is
* concerned that is a success. The next step will continue the
* handshake to its conclusion.
*
* If status is PEER_SUCCESS then we are the server and we have
* successfully sent the HelloRequest. We need to continue to wait
* until the handshake arrives from the client.
*/
if (peer->status == PEER_RETRY)
peer->status = PEER_SUCCESS;
else if (peer->status == PEER_SUCCESS)
peer->status = PEER_RETRY;
return;
}
}
/*
* The SSL object is still expecting app data, even though it's going to
* get a handshake message. We try to read, and it should fail - after which
* we should be in a handshake
*/
ret = SSL_read(peer->ssl, &buf, sizeof(buf));
if (ret >= 0) {
/*
* We're not actually expecting data - we're expecting a reneg to
* start
*/
peer->status = PEER_ERROR;
return;
} else {
int error = SSL_get_error(peer->ssl, ret);
if (error != SSL_ERROR_WANT_READ) {
peer->status = PEER_ERROR;
return;
}
/* If we're no in init yet then we're not done with setup yet */
if (!SSL_in_init(peer->ssl))
return;
}
peer->status = PEER_SUCCESS;
}
HANDSHAKE_RESULT *HANDSHAKE_RESULT_new()
{
HANDSHAKE_RESULT *ret = OPENSSL_zalloc(sizeof(*ret));
TEST_check(ret != NULL);
return ret;
}
/*
* Note that |extra| points to the correct client/server configuration
* within |test_ctx|. When configuring the handshake, general mode settings
* are taken from |test_ctx|, and client/server-specific settings should be
* taken from |extra|.
*
* The configuration code should never reach into |test_ctx->extra| or
* |test_ctx->resume_extra| directly.
*
* (We could refactor test mode settings into a substructure. This would result
* in cleaner argument passing but would complicate the test configuration
* parsing.)
*/
static HANDSHAKE_RESULT *do_handshake_internal(
SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx,
const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra,
SSL_SESSION *session_in, SSL_SESSION **session_out)
{
PEER server, client;
BIO *client_to_server, *server_to_client;
HANDSHAKE_EX_DATA server_ex_data, client_ex_data;
CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data;
HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new();
int client_turn = 1;
connect_phase_t phase = HANDSHAKE;
handshake_status_t status = HANDSHAKE_RETRY;
const unsigned char* tick = NULL;
size_t tick_len = 0;
SSL_SESSION* sess = NULL;
const unsigned char *proto = NULL;
/* API dictates unsigned int rather than size_t. */
unsigned int proto_len = 0;
memset(&server_ctx_data, 0, sizeof(server_ctx_data));
memset(&server2_ctx_data, 0, sizeof(server2_ctx_data));
memset(&client_ctx_data, 0, sizeof(client_ctx_data));
memset(&server, 0, sizeof(server));
memset(&client, 0, sizeof(client));
configure_handshake_ctx(server_ctx, server2_ctx, client_ctx, test_ctx, extra,
&server_ctx_data, &server2_ctx_data, &client_ctx_data);
/* Setup SSL and buffers; additional configuration happens below. */
create_peer(&server, server_ctx);
create_peer(&client, client_ctx);
server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size;
client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size;
configure_handshake_ssl(server.ssl, client.ssl, extra);
if (session_in != NULL) {
/* In case we're testing resumption without tickets. */
TEST_check(SSL_CTX_add_session(server_ctx, session_in));
TEST_check(SSL_set_session(client.ssl, session_in));
}
memset(&server_ex_data, 0, sizeof(server_ex_data));
memset(&client_ex_data, 0, sizeof(client_ex_data));
ret->result = SSL_TEST_INTERNAL_ERROR;
client_to_server = BIO_new(BIO_s_mem());
server_to_client = BIO_new(BIO_s_mem());
TEST_check(client_to_server != NULL);
TEST_check(server_to_client != NULL);
/* Non-blocking bio. */
BIO_set_nbio(client_to_server, 1);
BIO_set_nbio(server_to_client, 1);
SSL_set_connect_state(client.ssl);
SSL_set_accept_state(server.ssl);
/* The bios are now owned by the SSL object. */
SSL_set_bio(client.ssl, server_to_client, client_to_server);
TEST_check(BIO_up_ref(server_to_client) > 0);
TEST_check(BIO_up_ref(client_to_server) > 0);
SSL_set_bio(server.ssl, client_to_server, server_to_client);
ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL);
TEST_check(ex_data_idx >= 0);
TEST_check(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data) == 1);
TEST_check(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data) == 1);
SSL_set_info_callback(server.ssl, &info_cb);
SSL_set_info_callback(client.ssl, &info_cb);
client.status = server.status = PEER_RETRY;
/*
* Half-duplex handshake loop.
* Client and server speak to each other synchronously in the same process.
* We use non-blocking BIOs, so whenever one peer blocks for read, it
* returns PEER_RETRY to indicate that it's the other peer's turn to write.
* The handshake succeeds once both peers have succeeded. If one peer
* errors out, we also let the other peer retry (and presumably fail).
*/
for(;;) {
if (client_turn) {
do_connect_step(&client, phase);
status = handshake_status(client.status, server.status,
1 /* client went last */);
} else {
do_connect_step(&server, phase);
status = handshake_status(server.status, client.status,
0 /* server went last */);
}
switch (status) {
case HANDSHAKE_SUCCESS:
phase = next_phase(phase);
if (phase == CONNECTION_DONE) {
ret->result = SSL_TEST_SUCCESS;
goto err;
} else {
client.status = server.status = PEER_RETRY;
/*
* For now, client starts each phase. Since each phase is
* started separately, we can later control this more
* precisely, for example, to test client-initiated and
* server-initiated shutdown.
*/
client_turn = 1;
break;
}
case CLIENT_ERROR:
ret->result = SSL_TEST_CLIENT_FAIL;
goto err;
case SERVER_ERROR:
ret->result = SSL_TEST_SERVER_FAIL;
goto err;
case INTERNAL_ERROR:
ret->result = SSL_TEST_INTERNAL_ERROR;
goto err;
case HANDSHAKE_RETRY:
/* Continue. */
client_turn ^= 1;
break;
}
}
err:
ret->server_alert_sent = server_ex_data.alert_sent;
ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent;
ret->server_alert_received = client_ex_data.alert_received;
ret->client_alert_sent = client_ex_data.alert_sent;
ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent;
ret->client_alert_received = server_ex_data.alert_received;
ret->server_protocol = SSL_version(server.ssl);
ret->client_protocol = SSL_version(client.ssl);
ret->servername = server_ex_data.servername;
if ((sess = SSL_get0_session(client.ssl)) != NULL)
SSL_SESSION_get0_ticket(sess, &tick, &tick_len);
if (tick == NULL || tick_len == 0)
ret->session_ticket = SSL_TEST_SESSION_TICKET_NO;
else
ret->session_ticket = SSL_TEST_SESSION_TICKET_YES;
ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call;
#ifndef OPENSSL_NO_NEXTPROTONEG
SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len);
ret->client_npn_negotiated = dup_str(proto, proto_len);
SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len);
ret->server_npn_negotiated = dup_str(proto, proto_len);
#endif
SSL_get0_alpn_selected(client.ssl, &proto, &proto_len);
ret->client_alpn_negotiated = dup_str(proto, proto_len);
SSL_get0_alpn_selected(server.ssl, &proto, &proto_len);
ret->server_alpn_negotiated = dup_str(proto, proto_len);
ret->client_resumed = SSL_session_reused(client.ssl);
ret->server_resumed = SSL_session_reused(server.ssl);
if (session_out != NULL)
*session_out = SSL_get1_session(client.ssl);
ctx_data_free_data(&server_ctx_data);
ctx_data_free_data(&server2_ctx_data);
ctx_data_free_data(&client_ctx_data);
peer_free_data(&server);
peer_free_data(&client);
return ret;
}
/*
* Configure callbacks and other properties that can't be set directly
* in the server/client CONF.
*/
static void configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
SSL_CTX *client_ctx,
const SSL_TEST_CTX *test,
const SSL_TEST_EXTRA_CONF *extra,
CTX_DATA *server_ctx_data,
CTX_DATA *server2_ctx_data,
CTX_DATA *client_ctx_data)
{
unsigned char *ticket_keys;
size_t ticket_key_len;
TEST_check(SSL_CTX_set_max_send_fragment(server_ctx,
test->max_fragment_size) == 1);
if (server2_ctx != NULL) {
TEST_check(SSL_CTX_set_max_send_fragment(server2_ctx,
test->max_fragment_size) == 1);
}
TEST_check(SSL_CTX_set_max_send_fragment(client_ctx,
test->max_fragment_size) == 1);
switch (extra->client.verify_callback) {
case SSL_TEST_VERIFY_ACCEPT_ALL:
SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb,
NULL);
break;
case SSL_TEST_VERIFY_REJECT_ALL:
SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb,
NULL);
break;
default:
break;
}
/* link the two contexts for SNI purposes */
switch (extra->server.servername_callback) {
case SSL_TEST_SERVERNAME_IGNORE_MISMATCH:
SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb);
SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
break;
case SSL_TEST_SERVERNAME_REJECT_MISMATCH:
SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb);
SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
break;
default:
break;
}
/*
* The initial_ctx/session_ctx always handles the encrypt/decrypt of the
* session ticket. This ticket_key callback is assigned to the second
* session (assigned via SNI), and should never be invoked
*/
if (server2_ctx != NULL)
SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx,
do_not_call_session_ticket_cb);
if (extra->server.broken_session_ticket) {
SSL_CTX_set_tlsext_ticket_key_cb(server_ctx, broken_session_ticket_cb);
}
#ifndef OPENSSL_NO_NEXTPROTONEG
if (extra->server.npn_protocols != NULL) {
parse_protos(extra->server.npn_protocols,
&server_ctx_data->npn_protocols,
&server_ctx_data->npn_protocols_len);
SSL_CTX_set_next_protos_advertised_cb(server_ctx, server_npn_cb,
server_ctx_data);
}
if (extra->server2.npn_protocols != NULL) {
parse_protos(extra->server2.npn_protocols,
&server2_ctx_data->npn_protocols,
&server2_ctx_data->npn_protocols_len);
TEST_check(server2_ctx != NULL);
SSL_CTX_set_next_protos_advertised_cb(server2_ctx, server_npn_cb,
server2_ctx_data);
}
if (extra->client.npn_protocols != NULL) {
parse_protos(extra->client.npn_protocols,
&client_ctx_data->npn_protocols,
&client_ctx_data->npn_protocols_len);
SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb,
client_ctx_data);
}
#endif
if (extra->server.alpn_protocols != NULL) {
parse_protos(extra->server.alpn_protocols,
&server_ctx_data->alpn_protocols,
&server_ctx_data->alpn_protocols_len);
SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data);
}
if (extra->server2.alpn_protocols != NULL) {
TEST_check(server2_ctx != NULL);
parse_protos(extra->server2.alpn_protocols,
&server2_ctx_data->alpn_protocols,
&server2_ctx_data->alpn_protocols_len);
SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb, server2_ctx_data);
}
if (extra->client.alpn_protocols != NULL) {
unsigned char *alpn_protos = NULL;
size_t alpn_protos_len;
parse_protos(extra->client.alpn_protocols,
&alpn_protos, &alpn_protos_len);
/* Reversed return value convention... */
TEST_check(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos,
alpn_protos_len) == 0);
OPENSSL_free(alpn_protos);
}
/*
* Use fixed session ticket keys so that we can decrypt a ticket created with
* one CTX in another CTX. Don't address server2 for the moment.
*/
ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0);
ticket_keys = OPENSSL_zalloc(ticket_key_len);
TEST_check(ticket_keys != NULL);
TEST_check(SSL_CTX_set_tlsext_ticket_keys(server_ctx, ticket_keys,
ticket_key_len) == 1);
OPENSSL_free(ticket_keys);
/* The default log list includes EC keys, so CT can't work without EC. */
#if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
TEST_check(SSL_CTX_set_default_ctlog_list_file(client_ctx));
switch (extra->client.ct_validation) {
case SSL_TEST_CT_VALIDATION_PERMISSIVE:
TEST_check(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_PERMISSIVE));
break;
case SSL_TEST_CT_VALIDATION_STRICT:
TEST_check(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT));
break;
case SSL_TEST_CT_VALIDATION_NONE:
break;
}
#endif
}
